The below material standards have been established for a particular product:

Standard quantity per unit of production		6.2	pounds
standard price	ps	15.00	per pound

The below data refers to the operations related to the product of the last month:

purchased actual materials		7,500	pounds
Actual cost of purchased materials	ps	64,680
Actual materials used in production.		7,000	pounds
actual output		880	units

The direct materials purchase variance is calculated when the materials are purchased.

Required:

What is the variance of the quantity of materials for the month?